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Finding the Fourth Proportional to 3,163.88, 4,748.71 and 1,604.96

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Solution

The fourth proportional to 3,163.88, 4,748.71 and 1,604.96 is: 2,408.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.88 : 4,748.71 = 1,604.96 : x
  2. Step 2: Convert to fraction form
    3,163.88/4,748.71 = 1,604.96/x
  3. Step 3: Cross multiply
    3,163.88x = 4,748.71 × 1,604.96
  4. Step 4: Simplify right side
    3,163.88x = 7,621,457.83
  5. Step 5: Solve for x
    x = 7,621,457.83/3,163.88
  6. Step 6: Final answer
    x = 2,408.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.